Home / 80,245.02-120,383.73-55,297.02

Finding the Fourth Proportional to 80,245.02, 120,383.73 and 55,297.02

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Solution

The fourth proportional to 80,245.02, 120,383.73 and 55,297.02 is: 82,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,245.02 : 120,383.73 = 55,297.02 : x
  2. Step 2: Convert to fraction form
    80,245.02/120,383.73 = 55,297.02/x
  3. Step 3: Cross multiply
    80,245.02x = 120,383.73 × 55,297.02
  4. Step 4: Simplify right side
    80,245.02x = 6,656,861,525.48
  5. Step 5: Solve for x
    x = 6,656,861,525.48/80,245.02
  6. Step 6: Final answer
    x = 82,956.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.